6
SPECIFICATION
Notes:
1. Use the oil and spark plug specified by DOLMAR.
2. This specification is subject to change without prior notice.
Model
PB-250.4
PB-251.4
Mass (without blower pipe) (kg) 4.5 (9.9 lbs)
Dimension (without blower pipe L x W x H) (mm) 350×231×368 (13.8×9.1×14.5 in)
Max. engine speed ( /min) 7,800
Idling speed ( /min) 3,500
Engine displacement (mL) 24.5 (1.49 cu,in)
Fuel Automobile gasoline
Fuel tank capacity (L) 0.52 (17.6 fl.oz)
Engine oil
SAE 10W-30 oil of API Classification, Class SF or higher
(4-stroke engine for automobile)
Engine oil volume (L) 0.08 (2.7 fl.oz)
Carburetor (Diaphragm-carburetor) WALBRO WYL
Ignition system Solid state ignition
Spark plug NGK CMR6A
Electrode gap (mm) 0.7 - 0.8 (0.028-0.031 in)
Noise Level (50 Feet per ANSI B175-2-2000) (dB(A)) 67
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